87427065 has 32 divisors (see below), whose sum is σ = 153280512. Its totient is φ = 42200000.

The previous prime is 87427061. The next prime is 87427069. The reversal of 87427065 is 56072478.

It is an interprime number because it is at equal distance from previous prime (87427061) and next prime (87427069).

It is not a de Polignac number, because 87427065 - 2² = 87427061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87427061) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40360 + ... + 42470.

It is an arithmetic number, because the mean of its divisors is an integer number (4790016).

Almost surely, 2^87427065 is an apocalyptic number.

It is an amenable number.

87427065 is a deficient number, since it is larger than the sum of its proper divisors (65853447).

87427065 is a wasteful number, since it uses less digits than its factorization.

87427065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 87427065 is about 9350.2441144603. The cubic root of 87427065 is about 443.8286155762.

The spelling of 87427065 in words is "eighty-seven million, four hundred twenty-seven thousand, sixty-five".